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Animals introduce opposites in a clever way.
Explains units of measurement, including speed, distance, length, volume, and time.
This book is about how big is the universe and how small are quarks, and what are the sizes of dozens of things between these two extremes. It describes the sizes of atoms and planets, quarks and galaxies, cells and sequoias. It is a romp through forty-five orders of magnitude from the smallest sub-nuclear particles we have measured, to the edge of the observed universe. It also looks at time, from the epic age of the cosmos to the fleeting lifetimes of ethereal particles. It is a narrative that trips its way from stellar magnitudes to the clocks on GPS satellites, from the nearly logarithmic scales of a piano keyboard through a system of numbers invented by Archimedes and on to the measurement of the size of an atom. Why do some things happen at certain scales? Why are cells a hundred thousandths of a meter across? Why are stars never smaller than about 100 million meters in diameter? Why are trees limited to about 120 meters in height? Why are planets spherical, but asteroids not? Often the size of an object is determined by something simple but quite unexpected. The size of a cell and a star depend in part on the ratio of surface area to volume. The divide between the size of a spherical planet and an irregular asteroid is the balance point between the gravitational forces and the chemical forces in nature. Most importantly, with a very few basic principles, it all makes sense. The world really is a most reasonable place.
Interesting facts about some of the world's biggest things.
Join Big Bird and his friends as they explore counting, colors, the country, the city, opposites, and playing.
"The writing lessons in this book are organized to quickly unpack the detail move, explain when and why the strategy works well, share how I have taught it to my students, and offer ways to make it your own." -Rozlyn Linder Have you ever told a writer to add more details, only to see their writing get longer not better? That's why Roz Linder wrote The Big Book of Details. "To help our students use details and elaborate effectively," she writes, "we need to find out what they want their writing to do, and then show them explicit moves to make it happen." Roz breaks elaboration into 5 categories and shares 46 lessons based on the moves that professional writers use. With if-then charts that connect student needs to just-right strategies, you'll help writers master details that: Describe: for people, places, and things Dance: for showing action and sequencing events Convince: for questions, persuasion, and arguments Inform: for defining, comparing, and clarifying Speak: for conversation and speech. The Big Book of Details supports planning and on-the-go teaching for one-on-one conferences, whole-class instruction, or commercial writing programs. Its lessons are organized to help kids understand each move quickly. Roz's strategy lessons include: examples from real-world writers the reason writers use the strategy advice for introducing it to writers ideas for guided practice with writers examples of one of Roz's famous classroom charts "This is what I want for my students," writes Roz Linder, "to use details in their writing in a meaningful way that conveys their ideas and their purpose." If you want that too, then make her Big Book of Details part of your teaching toolkit.
Pipkin the penguin goes back in time to investigate how big the dinosaurs were, and meets dinosaurs of varying size.
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Discusses activities astronauts do while they're in space.